Sourced from cbindgen's changelog.

0.16.0

 * Remove artificial restriction on lifetime parameters on enums ([#604](https://github.com/eqrion/cbindgen/issues/604))
 * Add an option for converting usize/isize into size_t/ptrdiff_t. ([#606](https://github.com/eqrion/cbindgen/issues/606))
 * Allow controlling the cargo profile used for expansion. ([#607](https://github.com/eqrion/cbindgen/issues/607))
 * Support wider range of expressions in enum discriminants ([#614](https://github.com/eqrion/cbindgen/issues/614))
 * Support generation of Cython bindings ([#590](https://github.com/eqrion/cbindgen/issues/590))
 * Fixed some issues with style=tag and recursive structs ([#615](https://github.com/eqrion/cbindgen/issues/615))
 * Default C style to Both (as specified in docs) ([#615](https://github.com/eqrion/cbindgen/issues/615))
 * Fix resolution of path dependencies from certain modules. ([#629](https://github.com/eqrion/cbindgen/issues/629))
 * Support inlined definitions for tuple variants with a single field in C ([#631](https://github.com/eqrion/cbindgen/issues/631))

Thanks to all the awesome contributors that contributed to this release.

• a00b421 v0.16.0
• b82e375 enum: Support inlined definitions for tuple variants with a single field
• eaf3e57 enum: Remove some redundant function parameters
• 0083c43 Remove Struct::tuple_struct
• 8a5db0b Minor cleanup to fn close_brace
• 1963f0c Partially support #[cfg]s on fields
• dfcee86 enum: Do not forget to rename entities in enum discriminants
• fbc2237 parser: Fix resolution of #[path] dependencies from certain modules.
• 9f558e3 enum: enum_name -> tag_name
• 8997277 enum: Break up Enum::write into multiple functions
• Additional commits viewable in compare view

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